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20 ml of a gaseous mixture of N2 and H2 ...

20 ml of a gaseous mixture of `N_2` and `H_2` gases is mixed with 8 ml `O_2` and the mixture is fired.if the final volume becomes 13 ml the volume percent of `N_2` in the original mixture is :

A

`20%`

B

`50%`

C

`80%`

D

`40%`

Text Solution

Verified by Experts

The correct Answer is:
B
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